多项选择题
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）
A. 15 B. 18 C. 150 D. 165
单项选择题 Which attribute can influence inbound traffic flows from a neighboring AS?（）
单项选择题 PE1 has connections to VPN sites that are served by three remote PE routers. How many LSPs must be established to support 2547bis?（）
单项选择题 Which command clears the history of BGP damped routes?（）
